Analysis

  • max time kernel
    145s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 23:38

General

  • Target
    i.msi
  • Size 28.2MB
  • Sample241106-3ms75s1cpr
  • SHA256 be2f50d49e8eb863aa3e4aa47c414beffdd6b126837dadf40483de0f2ef254d8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 10 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 20 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\i.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4496
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4992
      • C:\Users\Admin\AppData\Local\Programs\VDownloader\ProfessionalTagEditor.exe
        "C:\Users\Admin\AppData\Local\Programs\VDownloader\ProfessionalTagEditor.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4448
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x50c 0x524
      1⤵
        PID:1452

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            e604ccd.rbs

            • Path C:\Config.Msi\e604ccd.rbs
            • Size 10KB
            • SHA256 d34152908d9c82dcbb9b717483f1b37dc4b226008995f8ed5a73120b9a68d179
            • MD5 SHA1 SHA512 SSDEEP

            ProfessionalTagEditor.ini

            • Path C:\Users\Admin\AppData\Local\3delite\Professional Tag Editor\ProfessionalTagEditor.ini
            • Size 1KB
            • SHA256 81a5d4edb95256a1b461f5aff923bf71c5e5594c654c16842b99b131c5fd1d71
            • MD5 SHA1 SHA512

            Chat.dat

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\Chat.dat
            • Size 5.5MB
            • SHA256 dcee10beff739d5deb28383a14b339546031c233ac1d1cb93e45b3286e2b6b87
            • MD5 SHA1 SHA512 SSDEEP

            FastMM_FullDebugMode.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\FastMM_FullDebugMode.dll
            • Size 384KB
            • SHA256 29f505e5dedf9b44664313964cf78f2af2287e941349ff7373cd4d3faaefcdfe
            • MD5 SHA1 SHA512 SSDEEP

            FilesystemDialogs.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\FilesystemDialogs.dll
            • Size 15.4MB
            • SHA256 47fb445f40b042aa4c41ed423da92e9e8b99156918564e08e57716eb6f6e8979
            • MD5 SHA1 SHA512 SSDEEP

            FreeImage.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\FreeImage.dll
            • Size 5.7MB
            • SHA256 f5914cf345f20177203e72987eca4a442ddd50934eb6273aa433c177e9640a41
            • MD5 SHA1 SHA512 SSDEEP

            MediaInfo.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\MediaInfo.dll
            • Size 4.8MB
            • SHA256 98d0ab5ede77ffe0f51e02f5380d487a791f601563e9d67c86a37b5bd4c7ecf8
            • MD5 SHA1 SHA512 SSDEEP

            ProfessionalTagEditor.exe

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\ProfessionalTagEditor.exe
            • Size 15.1MB
            • SHA256 a40cbbefc592d053086a56b39a26b803159acded807c82bc7ec195565ef8402e
            • MD5 SHA1 SHA512 SSDEEP

            ReliefJet.Engine.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\ReliefJet.Engine.dll
            • Size 973KB
            • SHA256 4ae3f2719338cdaf74062182d7faf15b8525a01fa213152d7049af4cdf1464d1
            • MD5 SHA1 SHA512 SSDEEP

            bass.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\bass.dll
            • Size 126KB
            • SHA256 0738dc614d751b3b08125c03a920fc243a3e5eea4f16d3374d8d94a6e2454477
            • MD5 SHA1 SHA512 SSDEEP

            libeay32.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\libeay32.dll
            • Size 1.3MB
            • SHA256 b3c8ebdefa0ac64ef123b360627001322af4e21e97e20df86ea16168877e5119
            • MD5 SHA1 SHA512 SSDEEP

            license.txt

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\license.txt
            • Size 10KB
            • SHA256 6d8de76e9f8b7b92334fb01338b203c7933fac24941ff9b3d5d027af7b0b2a07
            • MD5 SHA1 SHA512 SSDEEP

            model1.1.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\model1.1.dll
            • Size 10.1MB
            • SHA256 a0b49a4855720341f9fce6ee0457a710159423a6ba2dde1ca48fa43a270498fb
            • MD5 SHA1 SHA512 SSDEEP

            specification.wav

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\specification.wav
            • Size 4.0MB
            • SHA256 b75e499f4472d4b77004b8ec2a37c4ccc91ddd39b78279b519afc0451b4a28ba
            • MD5 SHA1 SHA512 SSDEEP

            ssleay32.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\ssleay32.dll
            • Size 330KB
            • SHA256 f82e938935108f9ed8411f8b567a618e24a0e25c63e36435538f3ac4f49822dc
            • MD5 SHA1 SHA512 SSDEEP

            ssleay32.dll

            • Path C:\Users\Admin\AppData\Local\Programs\VDownloader\ssleay32.dll
            • Size 330KB
            • SHA256 bb8ee38e365913af381b5911bcb2d9722177dc9de5dd311c17b020c16dd6bec0
            • MD5 SHA1 SHA512 SSDEEP

            e604ccc.msi

            • Path C:\Windows\Installer\e604ccc.msi
            • Size 28.2MB
            • SHA256 be2f50d49e8eb863aa3e4aa47c414beffdd6b126837dadf40483de0f2ef254d8
            • MD5 SHA1 SHA512 SSDEEP

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 24.1MB
            • SHA256 c3028e225446cddb631406d2482de0238372d1a21ff098bb7f9b11194656fbfd
            • MD5 SHA1 SHA512 SSDEEP

            {96fe8499-2a6b-4a15-8c8d-97b18404d15c}_OnDiskSnapshotProp

            • Path \??\Volume{62c5c1e3-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{96fe8499-2a6b-4a15-8c8d-97b18404d15c}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 119530428ed126e2ae45e21f11d1b2831c366c057862151f08e190dfa4035836
            • MD5 SHA1 SHA512 SSDEEP

            memory/4448-94-0x0000000005990000-0x0000000005AF9000-memory.dmp

            memory/4448-188-0x0000000007330000-0x0000000007489000-memory.dmp

            memory/4448-88-0x0000000007330000-0x0000000007489000-memory.dmp

            memory/4448-86-0x0000000005990000-0x0000000005AF9000-memory.dmp

            memory/4448-92-0x0000000000400000-0x0000000001356000-memory.dmp

            memory/4448-93-0x0000000074300000-0x000000007529E000-memory.dmp

            memory/4448-74-0x0000000074300000-0x000000007529E000-memory.dmp

            memory/4448-70-0x0000000000400000-0x0000000001356000-memory.dmp

            memory/4448-101-0x0000000007330000-0x0000000007489000-memory.dmp

            memory/4448-99-0x0000000007330000-0x0000000007489000-memory.dmp

            memory/4448-115-0x0000000000400000-0x0000000001356000-memory.dmp

            memory/4448-57-0x00000000758F0000-0x000000007593B000-memory.dmp

            memory/4448-182-0x0000000000400000-0x0000000001356000-memory.dmp

            memory/4448-85-0x0000000005990000-0x0000000005AF9000-memory.dmp

            memory/4448-193-0x0000000007330000-0x0000000007489000-memory.dmp

            memory/4448-192-0x0000000007330000-0x0000000007489000-memory.dmp

            memory/4448-196-0x000000000A610000-0x000000000AB9B000-memory.dmp

            memory/4448-199-0x0000000063280000-0x00000000634BE000-memory.dmp

            memory/4448-200-0x000000006E600000-0x000000006E69D000-memory.dmp

            memory/4448-201-0x000000000ABA0000-0x000000000B120000-memory.dmp

            memory/4448-202-0x000000000ABA0000-0x000000000B120000-memory.dmp

            memory/4448-203-0x000000000ABA0000-0x000000000B120000-memory.dmp

            memory/4448-205-0x000000000ABA0000-0x000000000B120000-memory.dmp

            memory/4448-204-0x000000000ABA0000-0x000000000B120000-memory.dmp

            memory/4448-209-0x000000000ABA0000-0x000000000B120000-memory.dmp